Table 3. Panning of whole genome fragment libraries on monoclonal antibodies raised against mycobacterial proteins.
Monoclonal Antibody | MAb Ag85-12 | MAb 1912 | ||||||||||
Rounds | Pan II | Pan III | Pan II | Pan III | ||||||||
Library | MTBLIB25 | MTBLIB27 | MTBLIB27 | MTBLIB25 | MTBLIB27 | MTBLIB27 | ||||||
Test | Control | Test | Control | Test | Control | Test | Control | Test | Control | Test | Control | |
Input phage | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 | 1×109 |
Output phage | 3×106 | 8×104 | 3×105 | 3×104 | 1×106 | 3×104 | 1×106 | 7×105 | 9×105 | 2×105 | 1×106 | 6×104 |
Fold enrichment* | 37.5 | 10.0 | 33.3 | 1.43 | 4.5 | 17 | ||||||
% Specific clones (no. of positive/no. analyzed)† # | 77.7 (35/45) | 71.9 (23/32) | 90.6 (29/32) | (0/47) | 12.5 (4/32) | 68.7 (22/32) |
Control and Test refer to wells coated with phosphate buffer saline (pH 7.2) and specific monoclonal antibody, respectively.
Fold enrichment = output phage in test/output phage in control.
The inserts in clones from test wells selected after panning were sequenced and aligned to the respective M. tuberculosis protein.
All the clones analyzed were in frame with resepect to PelBss and gIIIP.